/** * @file lv_page.c * */ /********************* * INCLUDES *********************/ #include "lv_conf.h" #if USE_LV_PAGE != 0 #include "misc/math/math_base.h" #include "../lv_objx/lv_page.h" #include "../lv_objx/lv_rect.h" /********************* * DEFINES *********************/ /********************** * TYPEDEFS **********************/ /********************** * STATIC PROTOTYPES **********************/ static void lv_page_sb_refresh(lv_obj_t* main_dp); /********************** * STATIC VARIABLES **********************/ static lv_pages_t lv_pages_def = { .bg_rects.mcolor = COLOR_WHITE, .bg_rects.gcolor = COLOR_SILVER, .bg_rects.bcolor = COLOR_GRAY, .bg_rects.bopa = 50, .bg_rects.bwidth = 0 * LV_STYLE_MULT, .bg_rects.round = 2 * LV_STYLE_MULT, .bg_rects.empty = 0, .sb_rects.mcolor = COLOR_BLACK, .sb_rects.gcolor = COLOR_BLACK, .sb_rects.bcolor = COLOR_WHITE, .sb_rects.bopa = 50, .sb_rects.bwidth = 1 * LV_STYLE_MULT, .sb_rects.round = 5 * LV_STYLE_MULT, .sb_rects.empty = 0, .sb_width= 8 * LV_STYLE_MULT, .sb_opa=50, .sb_mode = LV_PAGE_SB_MODE_ON, .margin_hor = 10 * LV_STYLE_MULT, .margin_ver = 10 * LV_STYLE_MULT, .padding_hor = 10 * LV_STYLE_MULT, .padding_ver = 10 * LV_STYLE_MULT, }; static lv_pages_t lv_pages_paper = { .bg_rects.mcolor = COLOR_WHITE, .bg_rects.gcolor = COLOR_WHITE, .bg_rects.bcolor = COLOR_GRAY, .bg_rects.bopa = 100, .bg_rects.bwidth = 2 * LV_STYLE_MULT, .bg_rects.round = 0 * LV_STYLE_MULT, .bg_rects.empty = 0, .sb_rects.mcolor = COLOR_BLACK, .sb_rects.gcolor = COLOR_BLACK, .sb_rects.bcolor = COLOR_SILVER, .sb_rects.bopa = 100, .sb_rects.bwidth = 1 * LV_STYLE_MULT, .sb_rects.round = 5 * LV_STYLE_MULT, .sb_rects.empty = 0, .sb_width = 10 * LV_STYLE_MULT, .sb_opa=50, .sb_mode = LV_PAGE_SB_MODE_ON, .margin_hor = 15 * LV_STYLE_MULT, .margin_ver = 15 * LV_STYLE_MULT, .padding_hor = 10 * LV_STYLE_MULT, .padding_ver = 10 * LV_STYLE_MULT, }; static lv_pages_t lv_pages_transp = { .bg_rects.empty = 1, .sb_rects.mcolor = COLOR_BLACK, .sb_rects.gcolor = COLOR_BLACK, .sb_rects.bcolor = COLOR_WHITE, .sb_rects.bopa = 0, .sb_rects.bwidth = 1 * LV_STYLE_MULT, .sb_rects.round = 5 * LV_STYLE_MULT, .sb_rects.empty = 0, .sb_width = 8 * LV_STYLE_MULT, .sb_opa = 50, .sb_mode = LV_PAGE_SB_MODE_AUTO, .margin_hor = 0 * LV_STYLE_MULT, .margin_ver = 0 * LV_STYLE_MULT, }; /********************** * MACROS **********************/ /********************** * GLOBAL FUNCTIONS **********************/ /*----------------- * Create function *-----------------*/ /** * Create a page objects * @param par_dp pointer to an object, it will be the parent of the new page * @return pointer to the created page */ lv_obj_t* lv_page_create(lv_obj_t * par_dp, lv_obj_t * ori_dp) { lv_obj_t* new_dp = NULL; /*Create a basic object. Page elements will be stored here*/ new_dp = lv_rect_create(par_dp, ori_dp); /*Init the new object*/ lv_page_t * page_p = lv_obj_alloc_ext(new_dp, sizeof(lv_page_t)); /*Init the main rectangle if it is not copied*/ if(ori_dp == NULL) { lv_obj_set_size(new_dp, 100,200); lv_obj_set_drag(new_dp, true); lv_obj_set_drag_throw(new_dp, true); lv_obj_set_style(new_dp, &lv_pages_def); } else { lv_obj_set_style(new_dp, lv_obj_get_style(ori_dp)); } lv_pages_t * pages_p = lv_obj_get_style(new_dp); /*Create horizontal scroll bar*/ page_p->sbh_dp = lv_rect_create(par_dp, NULL); lv_obj_set_height(page_p->sbh_dp, pages_p->sb_width); lv_obj_set_style(page_p->sbh_dp, &pages_p->sb_rects); if(pages_p->sb_mode == LV_PAGE_SB_MODE_ON) { lv_obj_set_opa(page_p->sbh_dp, (pages_p->sb_opa * OPA_COVER) / 100); } else { lv_obj_set_opa(page_p->sbh_dp, OPA_TRANSP); } /*Create vertical scroll bar*/ page_p->sbv_dp =lv_rect_create(par_dp, NULL); lv_obj_set_width(page_p->sbv_dp, pages_p->sb_width); lv_obj_set_style(page_p->sbv_dp, &pages_p->sb_rects); if(lv_pages_def.sb_mode == LV_PAGE_SB_MODE_ON) { lv_obj_set_opa(page_p->sbv_dp, (pages_p->sb_opa * OPA_COVER) / 100); } else { lv_obj_set_opa(page_p->sbv_dp, OPA_TRANSP); } lv_obj_set_signal_f(new_dp, lv_page_signal); lv_page_sb_refresh(new_dp); return new_dp; } /** * Signal function of the page * @param obj_dp pointer to a page object * @param sign a signal type from lv_signal_t enum * @param param pointer to a signal specific variable */ bool lv_page_signal(lv_obj_t* obj_dp, lv_signal_t sign, void* param) { bool obj_valid = true; /* Include the ancient signal function */ obj_valid = lv_rect_signal(obj_dp, sign, param); /* The object can be deleted so check its validity and then * make the object specific signal handling */ if(obj_valid != false) { cord_t new_x; cord_t new_y; bool refr_x = false; bool refr_y = false; area_t page_cords; area_t par_cords; lv_obj_t * i; lv_obj_t * par_dp = lv_obj_get_parent(obj_dp); lv_page_t * page_ext_p = lv_obj_get_ext(obj_dp); lv_pages_t * pages_p = lv_obj_get_style(obj_dp); switch(sign) { case LV_SIGNAL_CORD_CHG: new_x = lv_obj_get_x(obj_dp); new_y = lv_obj_get_y(obj_dp); lv_obj_get_cords(par_dp, &par_cords); lv_obj_get_cords(obj_dp, &page_cords); /*page width smaller then parent width? -> align to left*/ if(area_get_width(&page_cords) <= area_get_width(&par_cords) - pages_p->margin_hor * 2) { if(page_cords.x1 - pages_p->margin_hor != par_cords.x1) { new_x = pages_p->margin_hor; refr_x = true; } } else { if(page_cords.x2 + pages_p->margin_hor < par_cords.x2) { new_x = area_get_width(&par_cords) - area_get_width(&page_cords) - pages_p->margin_hor; /* Right align */ refr_x = true; } if (page_cords.x1 - pages_p->margin_hor > par_cords.x1) { new_x = pages_p->margin_hor; /*Left align*/ refr_x = true; } } /*Wrong in y?*/ if(area_get_height(&page_cords) <= area_get_height(&par_cords) - pages_p->margin_ver * 2) { if(page_cords.y1 - pages_p->margin_ver != par_cords.y1) { new_y = pages_p->margin_ver; refr_y = true; } } else { if(page_cords.y2 + pages_p->margin_ver < par_cords.y2) { new_y = area_get_height(&par_cords) - area_get_height(&page_cords) - pages_p->margin_ver; /* Bottom align */ refr_y = true; } if (page_cords.y1 - pages_p->margin_ver > par_cords.y1) { new_y = pages_p->margin_ver; /*Top align*/ refr_y = true; } } if(refr_x != false || refr_y != false) { lv_obj_set_pos(obj_dp, new_x, new_y); } lv_page_sb_refresh(obj_dp); break; case LV_SIGNAL_DRAG_BEGIN: if(pages_p->sb_mode == LV_PAGE_SB_MODE_AUTO ) { if(lv_obj_get_height(page_ext_p->sbv_dp) < lv_obj_get_height(par_dp) - pages_p->sb_width) { lv_obj_set_opa(page_ext_p->sbv_dp, (pages_p->sb_opa * OPA_COVER) / 100); } if(lv_obj_get_width(page_ext_p->sbh_dp) < lv_obj_get_width(par_dp) - pages_p->sb_width) { lv_obj_set_opa(page_ext_p->sbh_dp, (pages_p->sb_opa * OPA_COVER) / 100); } } break; case LV_SIGNAL_DRAG_END: if(pages_p->sb_mode == LV_PAGE_SB_MODE_AUTO) { lv_obj_set_opa(page_ext_p->sbh_dp, OPA_TRANSP); lv_obj_set_opa(page_ext_p->sbv_dp, OPA_TRANSP); } break; case LV_SIGNAL_CHILD_CHG: page_cords.x1 = LV_CORD_MAX; page_cords.y1 = LV_CORD_MAX; page_cords.x2 = LV_CORD_MIN; page_cords.y2 = LV_CORD_MIN; LL_READ(obj_dp->child_ll, i) { page_cords.x1 = min(page_cords.x1, i->cords.x1); page_cords.y1 = min(page_cords.y1, i->cords.y1); page_cords.x2 = max(page_cords.x2, i->cords.x2); page_cords.y2 = max(page_cords.y2, i->cords.y2); } /*If the value is not the init value then the page has >=1 child.*/ if(page_cords.x1 != LV_CORD_MAX) { page_cords.x1 -= pages_p->padding_hor; page_cords.x2 += pages_p->padding_hor; page_cords.y1 -= pages_p->padding_ver; page_cords.y2 += pages_p->padding_ver; area_cpy(&obj_dp->cords, &page_cords); lv_obj_set_pos(obj_dp, lv_obj_get_x(obj_dp), lv_obj_get_y(obj_dp)); } else { lv_obj_set_size(obj_dp, 10, 10); } lv_obj_inv(par_dp); break; case LV_SIGNAL_STYLE_CHG: /* Set the styles only if they are different else infinite loop * will be created from lv_obj_set_style*/ if(lv_obj_get_style(page_ext_p->sbh_dp) != &pages_p->sb_rects) { lv_obj_set_style(page_ext_p->sbh_dp, &pages_p->sb_rects); lv_obj_set_style(page_ext_p->sbv_dp, &pages_p->sb_rects); lv_obj_set_style(obj_dp, &pages_p->bg_rects); } if(pages_p->sb_mode == LV_PAGE_SB_MODE_ON) { lv_obj_set_opa(page_ext_p->sbv_dp, (pages_p->sb_opa * OPA_COVER) / 100); lv_obj_set_opa(page_ext_p->sbh_dp, (pages_p->sb_opa * OPA_COVER) / 100); } else { lv_obj_set_opa(page_ext_p->sbv_dp, OPA_TRANSP); lv_obj_set_opa(page_ext_p->sbh_dp, OPA_TRANSP); } lv_page_sb_refresh(obj_dp); break; default: break; } } return obj_valid; } /** * Glue the object to the page. After it the page can be moved (dragged) with this object too. * @param obj_dp pointer to an object on a page * @param en true: enable glue, false: disable glue */ void lv_page_glue_obj(lv_obj_t* obj_dp, bool en) { lv_obj_set_drag_parent(obj_dp, en); lv_obj_set_drag(obj_dp, en); } /** * Return with a pointer to a built-in style and/or copy it to a variable * @param style a style name from lv_pages_builtin_t enum * @param copy_p copy the style to this variable. (NULL if unused) * @return pointer to an lv_pages_t style */ lv_pages_t * lv_pages_get(lv_pages_builtin_t style, lv_pages_t * to_copy) { lv_pages_t * style_p; switch(style) { case LV_PAGES_DEF: style_p = &lv_pages_def; break; case LV_PAGES_PAPER: style_p = &lv_pages_paper; break; case LV_PAGES_TRANSP: style_p = &lv_pages_transp; break; default: style_p = NULL; } if(to_copy != NULL) { if(style_p != NULL) memcpy(to_copy, style_p, sizeof(lv_pages_t)); else memcpy(to_copy, &lv_pages_def, sizeof(lv_pages_t)); } return style_p; } /*===================== * Setter functions *====================*/ /*===================== * Getter functions *====================*/ /********************** * STATIC FUNCTIONS **********************/ /** * Handle the drawing related tasks of the pages * @param obj_dp pointer to an object * @param mask the object will be drawn only in this area * @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area * (return 'true' if yes) * LV_DESIGN_DRAW: draw the object (always return 'true') * @param return true/false, depends on 'mode' */ static void lv_page_sb_refresh(lv_obj_t* page_dp) { lv_page_t * page_p = lv_obj_get_ext(page_dp); lv_pages_t * pages_p = lv_obj_get_style(page_dp); lv_obj_t* par_dp = lv_obj_get_parent(page_dp); cord_t size_tmp; cord_t page_w = lv_obj_get_width(page_dp) + 2 * pages_p->margin_hor; cord_t page_h = lv_obj_get_height(page_dp) + 2 * pages_p->margin_ver; cord_t par_w = lv_obj_get_width(par_dp); cord_t par_h = lv_obj_get_height(par_dp); /*Horizontal scrollbar*/ if(page_w <= par_w) { /*Full sized scroll bar*/ lv_obj_set_width(page_p->sbh_dp, par_w - pages_p->sb_width); lv_obj_set_pos(page_p->sbh_dp, 0, par_h - pages_p->sb_width); lv_obj_set_opa(page_p->sbh_dp, OPA_TRANSP); } else { if(pages_p->sb_mode == LV_PAGE_SB_MODE_ON) { lv_obj_set_opa(page_p->sbh_dp, (pages_p->sb_opa * OPA_COVER) / 100); } size_tmp = ((par_w * (par_w - pages_p->sb_width)) / page_w); lv_obj_set_width(page_p->sbh_dp, size_tmp); lv_obj_set_pos(page_p->sbh_dp, ( -(lv_obj_get_x(page_dp) - pages_p->margin_hor) * (par_w - size_tmp - pages_p->sb_width)) / (page_w - par_w), par_h - pages_p->sb_width); } /*Vertical scrollbar*/ if(page_h <= par_h) { /*Full sized scroll bar*/ lv_obj_set_height(page_p->sbv_dp, par_h - pages_p->sb_width); lv_obj_set_pos(page_p->sbv_dp, par_w - pages_p->sb_width, 0); lv_obj_set_opa(page_p->sbv_dp, OPA_TRANSP); } else { if(pages_p->sb_mode == LV_PAGE_SB_MODE_ON) { lv_obj_set_opa(page_p->sbv_dp, (pages_p->sb_opa * OPA_COVER) / 100); } size_tmp = ((par_h * (par_h - pages_p->sb_width)) / page_h); lv_obj_set_height(page_p->sbv_dp, size_tmp); lv_obj_set_pos(page_p->sbv_dp, par_w - pages_p->sb_width, (-(lv_obj_get_y(page_dp) - pages_p->margin_ver) * (par_h - size_tmp - pages_p->sb_width)) / (page_h - par_h)); } } #endif